Prison Jammer 200W 3G Mobile Phone Signal Blocker For Schools Four Band Weatherproof

Basic Information
Place of Origin: China
Brand Name: GREETWIN
Certification: SGS, ISO9001
Model Number: GW-J265DW
Minimum Order Quantity: 1pcs
Price: Negotiable
Packaging Details: Wooden Case with PE Foam
Delivery Time: 10 Working Days After Received Payment
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 500pcs per Month
Product Name: Four Band 200W Jammer Application: Prison, Jail
Working Time: 24 Hours Operating Temp: -20℃ To +55℃
Working Band: Four Channels Jamming Range: 50 - 300meters,depend On Signal Strength Of Mobile Network
Advantage: With Weatherproof Case Other Name: Outside Waterproof Jammer
High Light:

cell phone reception blocker


cell phone blocker jammer

Prison Jammer 200W 3G Mobile Phone Signal Blocker For Schools Four Band Weatherproof



200W Prison Jammer System for all 3G/2G cellphones with inside high-speed cooling fan.

Omni-directional and directional antenna is optional.The prison jammer can be application for Government Building, Prison, and Facilities. Each band can adjust RF output power or turn off without influencing the other bands operation, it's user-friendly. 

GW-J265DW can support 4 band, 5 band or 6 band, each band output power 15W to 100W.

Each channel can be controlled separately and simultaneously.

Manual adjustable output power with each channel.


Prison Jammer Technical Specification:


Output interface Description Shield band of frequency RF output power
CH2 WCDMA 3G 2110-2170 MHz 47dBm
CH3 GSM900 925-960 MHz 47dBm


/PCS 1900

1805-1880 MHz

/1930-1990 MHz

CH1 WIFI, 2.4G(Optional) 2400-2485 MHz 47dBm
  LTE 2600(Optional) 2620-2690MHz  
  GPS L1(Optional) 1570-1580 MHz  
  LTE800(Optional) 790-821 MHz  
  CDMA800 851-894 MHz  
Power supply: AC220V, DC 28V.
Total Output Power: 200Watt
Power consumption: 600Watt

Weight: 22Kg

Size(length × wind × high):592×395×265mm

Humidity: 30%-95%

Running Temperature: -20℃ to +55℃

Jammer Module Number 4
Cooling System Systematic Smart Cooling System
System Protection

VSWR, Over-voltage

Circuit, shock, temperature

Jamming Source Frequency Scan Technology
Antenna Type High Gain Directional Panel Antennas or omni antenna
Jamming range: 50-300m according to signal density of mobile network


Prison Jammer Features:

1. High-power multi-band jammer, make high jamming range

2. Modular construction for easy maintenance, repair and upgrade.

3. Jamming up to 4 different jamming modules.

4. Max 200watts total RF output power.

5. Special additional housing for all weather protection.

6. The general design of the system meets military requirements.

7. Different frequency band can be controlled independently by single switches;

8. Power Amplifiers protection design ensures the working reliability of the device.

9. Can customize these frequencies AM, FM Radio, LoJack 173MHz, VHF, UHF, Walkie-talkie, interphone, Wireless Toys , FM Radio, Remote Control, 27MHz, 49MHz, 433MHz,315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA,UMTS,3G,4G,LTE 700, LTE 800, LTE 2300, LTE 2600, GPS L1,GPSL2, Galileo, Compass, Glonass, WIFI, Bluetooth, Spy camera, WIMAX, UAV, Drone, etc.


Prison Jammer Application:
Prisons, military, government, Oil and Gas Storage Facilities and fields, Churches, Theatres, Libraries, Museums,  etc.

Prison Jammer 200W 3G Mobile Phone Signal Blocker For Schools Four Band Weatherproof 0


Contact Details
Hawk Greetwin

Phone Number : +8613005164071

WhatsApp : +8615112267605